CN106470935B - Control system for hydraulic machine for doing work - Google Patents

Control system for hydraulic machine for doing work Download PDF

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Publication number
CN106470935B
CN106470935B CN201580020677.4A CN201580020677A CN106470935B CN 106470935 B CN106470935 B CN 106470935B CN 201580020677 A CN201580020677 A CN 201580020677A CN 106470935 B CN106470935 B CN 106470935B
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CN
China
Prior art keywords
control system
hydraulic
safety valve
pump
loop
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201580020677.4A
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Chinese (zh)
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CN106470935A (en
Inventor
J-M.法伊特
W-M.佩措尔德
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Putzmeister Engineering GmbH
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Putzmeister Engineering GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Publication of CN106470935A publication Critical patent/CN106470935A/en
Application granted granted Critical
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Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B20/00—Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/18—Control systems or devices
    • B66C13/20—Control systems or devices for non-electric drives
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/226—Safety arrangements, e.g. hydraulic driven fans, preventing cavitation, leakage, overheating
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2264—Arrangements or adaptations of elements for hydraulic drives
    • E02F9/2267—Valves or distributors
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2278—Hydraulic circuits
    • E02F9/2292—Systems with two or more pumps
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2278—Hydraulic circuits
    • E02F9/2296—Systems with a variable displacement pump
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
    • E04G21/04—Devices for both conveying and distributing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B15/00—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
    • F04B15/02—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts the fluids being viscous or non-homogeneous
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
    • F04B17/06—Mobile combinations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/06—Control using electricity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205—Systems with pumps
    • F15B2211/2053—Type of pump
    • F15B2211/20546—Type of pump variable capacity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205—Systems with pumps
    • F15B2211/20576—Systems with pumps with multiple pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/625—Accumulators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders
    • F15B2211/7142—Multiple output members, e.g. multiple hydraulic motors or cylinders the output members being arranged in multiple groups
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/80—Other types of control related to particular problems or conditions
    • F15B2211/875—Control measures for coping with failures
    • F15B2211/8755—Emergency shut-down

Abstract

The present invention relates to the control system for hydraulic machine for doing work (10), multiple hydraulic performance loops (12) of the pressure oil supply of driving assembly and/or governing loop with the machine part for that can move and the emergency stop route (24) for performance loop (12) are for avoiding the danger due to caused by machine part.It proposes according to the present invention, emergency stop route (24) has unique safety valve (26), and the safety valve is connected in parallel and is connected at discharge degree position (54) in outlet side in its inlet at least one branch line (52) that passes through corresponding to performance loop (12).

Description

Control system for hydraulic machine for doing work
Technical field
The present invention relates to control systems, for hydraulic machine for doing work, particularly for mud can move or static Pump can travel mixing agitator, excavator or mobile crane, can preferably be controlled by the control unit in center with multiple System hydraulic performance loop (performance loop set up driving assembly for supplying the machine part that can be moved and/or Governing loop is with pressure oil) and can trigger the emergency stop route for the performance loop for stopping machine movement (Nothaltschaltung) for avoiding the danger due to caused by the machine part.The invention additionally relates to have this The hydraulic machine for doing work of kind control system.
Background technique
Truck mounted concrete pump contains the machine parts that largely can hydraulically move, especially concrete dispenser bar passes through The lever arm that movable joint axis hingedly connects, to prepare required concrete on job location and to be transported to processing position Place.Uncontrolled interference in the system of such complexity will lead to serious in the work environment or at machine Loss.Therefore this needs secure line or emergency stop route, allows if possible, intervenes in function course with shielding And avoid undesirable failure effect and loss.
Summary of the invention
As starting point task of the invention lies in, further improve control system known in the prior art and The reliable urgency for stopping machine movement being realized in multiple while operation hydraulic performance loop in a manner of as simple as possible Stop function.
Following feature combination is proposed in order to solve the described task:
Control system, for hydraulic machine for doing work, the hydraulic machine for doing work with it is multiple it is can controlling, be used for Driving assembly and/or the governing loop of the machine part that can be moved are supplied with the hydraulic performance loop of pressure oil and can be touched Hair in stop machine movement, for the performance loop emergency stop route with for avoiding drawing due to the machine part The danger risen, the hydraulic performance loop contain respectively driving assembly for supplying the machine part that can be moved and/or Governing loop is with the hydraulic pressure source of pressure oil, and the emergency stop route has unique safety valve, and the safety valve exists Its inlet accordingly passes through at least one branch line and the performance loop is connected in parallel and is connected to pressure in outlet side At power debarkation station, rest position and facilitate sudden-stop function that the safety valve can be occupied in normal operation as direction valve Elasticity flow passing position placed in the middle between switch；
Or following feature combination: hydraulic machine for doing work, with it is multiple it is can controlling, for supplying and can move The driving assembly and/or governing loop of machine part are provided with aforementioned control system with the hydraulic performance loop of pressure oil.
The present invention is using following thought as starting point, i.e., the performance loop of all hydraulic is by common safety valve no pressure To switch and therefore the movement of machine part is stopped by the hydraulic driving energy of cutting.Correspondingly, according to this Invention proposes that emergency stop route has unique safety valve, and the safety valve accordingly passes through at least one branched pipe in its inlet Road connect with performance loop or its pressure oil branch in parallel and is connected at discharge degree position in outlet side.Thus feasible , the governing loop or driving assembly of customer are stopped using small switching consumption, without discretely considering each list A governing loop/customer.Therefore bring dangerous sports can be with short reaction there are also big machine part such as lever arm Time stops.That is, this emergency stop interrupts machine movement in emergency, and it is different from incoherent urgent herein Operation, wherein this movement is still feasible with reduced driving energy or auxiliary energy if possible.
Advantageously, the rest position and facilitate that safety valve can be occupied in normal operation as direction valve (vermittelnden) sudden-stop function, switch preferably as between resting position elasticity flow passing position placed in the middle.Thus it is Make also to guarantee automatically to occupy safe position in the case where (electric) manipulation failure.
Intervene feasibility to provide to operator, it is advantageous to which safety valve can be grasped manually by emergency shutdown key It is vertical.Concurrently it is also feasible that realizing automatic safety cut-off in the control unit in center, or valve is passed through into suitable safety Module manipulates.
Advantageously, safety valve can be manipulated as electro-hydraulic direction valve by the control circuit of electricity.This is preferably It is following to carry out, so that guaranteeing emergency stop in the case where current interruptions.
According to the driving in open or closure performance loop, it is advantageous to which discharge degree position is by pressure oil-source Suction return filter or tank formed.
Short circuit between different customers in order to prevent, it is advantageous to be disposed in each branch line towards Passable check-valves on the direction of safety valve.
Simplification in another structure can be realized as got off, i.e., so that check-valves is arranged in common valve body.
It is obtained as follows particularly for the advantageous intervention feasibility of slush pump, i.e., so that at least one governing loop is by acting on It is formed in the adjusting cylinder of variable pump.It is equal in order to which two adjusting chambers are switched to pressure simultaneously, it is advantageous to it is corresponding to adjust cylinder Pass through the branch line and peace on the two sides for adjusting cylinder (especially in bottom side and tappet side in the case where cylinder with differential effect) The entrance of full valve connects.
If at least one driving assembly is loaded with pressure oil by pump in open driving circuit, can also have Benefit, branch line in the main oil stream of pump or alternatively branch at pump control mechanism between pump and driving assembly.
For further satisfaction safety requirements, it is advantageous to which safety valve is equipped with position MA monitoring agency.
It is arranged for a kind of particularly advantageous use, performance loop, which is set up, is originated from group: slush pump, distribution for running Device bar, stirring mechanism, hydraulic reservoir, at least one element in supporting leg.
In order to meet control function or driving function, hydraulic performance loop contains respectively for supplying the machine that can be moved The driving assembly and/or governing loop of device component are with the hydraulic pressure source of pressure oil.Be arranged to herein, branch line respectively from Hydraulic pressure source on the pressure side or the pressure oil branch of performance loop guides to the entrance of safety valve.
Subject of the present invention is also the hydraulic machine for doing work with control system according to the present invention.
Detailed description of the invention
Next, the present invention is explained in more detail according to the embodiment being schematically depicted in the drawings.
Uniquely illustrate the hydraulic mechanism line map of the control system with emergency stop route for truck mounted concrete pump.
Specific embodiment
Only the truck mounted concrete pump 10 of symbolic addition passes through hydraulic performance loop 12 including multiple in line map Driving the machine part that can be moved, particular with the articulated joint (Knickgelenken) 16 that can hydraulically manipulate Concrete dispenser bar 14, the two cylinder concrete pump with the conveyor piston and pipe current divider (Rohrweiche) that hydraulically drive 18, come 18 front of pump concrete feeding container 20 with hydraulic stirring mechanism and it is lateral on can dispose have liquid The supporting support 22 for the supporting leg that pressure ground can be driven out to is as hydraulic machine for doing work.In order to pass through control knot as simple as possible Structure realizes the stop in emergency or stops movement caused by all hydraulic ground, especially brings dangerous sports, is provided with urgency Stop route 24 comprising unique electro-hydraulic safety valve 26.
The performance loop 12 of all hydraulic can be manipulated by the control unit 28 in center.The valve of electricity is realized in this electric wire 30 Commutation control.
In order to which the hydraulic driving to concrete pump 18 carries out pressure oil supply, there are two be configured to pitch axial direction for setting The reversible hydraulic pump 32 of piston pump, pitch angle can be adjusted by adjusting cylinder 34.Adjusting cylinder 34 can pass through respectively The control valve 36 attached is manipulated according to desired conveying capacity.In switching position I, is realized and adjusted by corresponding performance loop 12 It saves the pressure-loaded of the bottom side of cylinder 34 and is realized in switching position II by corresponding performance loop 12 and adjust cylinder 34 The pressure-loaded of tappet side.The performance loop is herein accordingly from hydraulic pressure source 37(hydraulic pump) it guides to tank 38 and wraps Containing control valve 36 and adjust cylinder 34.It is this to pump the other details controlled the also file WO 97/ by being in this regard referenced 18395 know.
The pressure oil supply of distributor bar 14 carries out in the performance loop 12,40 of another opening, wherein variable pump 42 It provides as pressure source compared to the obvious small oil mass of reversible hydraulic pump 32.Additional pump 44 is supplied by performance loop 12,48 The motor 46 of stirring mechanism is in concrete feeding container 20 with hydraulic driving energy.In addition, hydraulic reservoir 47 is arranged to Enough pressure sources charged by variable pump 57, to support the pipe current divider of switching two cylinder concrete pump 18.
Safety valve 26 as 2/2 direction valve can facilitate sudden-stop function by being cut between position I and rest position II It changes.Rest position II passes through operating element 50 in normal operation and is controlled electricly (by control unit 28 or/and individual emergency stop Monitoring unit), and it is placed in the middle without stream ground elasticity as resting position by position I.The manually triggering of operating element 50 passes through tight Emergency stop machine key 51 is realized.It should be also set up in the position MA monitoring agency of this safety valve 26, to meet DIN EN ISO 13849 requirement.
In order to realize the performance loop 12 by all hydraulic discharge degree emergency stop, the performance loop passes through respectively At least one branch line 52 is connect parallel to each other with the entrance of safety valve 26.The outlets direct of the safety valve to pressure is unloaded Position 54 is carried, the discharge degree position is formed by tank 38 in the illustrated example.It can also be examined when being driven in the circuit of closure Consider the discharge degree (not shown) at suction return filter.
The fully scale cun of safety valve 26, thus even if the maximum oil mass and the running temperature of minimum permission the case where Lower stagnation pressure is also sufficiently small, so as to maintain discharge degree.
Short circuit between each customer in order to prevent, check-valves 56 are arranged in branch line 52.The check-valves Can or it arrange in common valve body or dispersedly arrange.
Big supply based on reversible hydraulic pump 32, the reversible hydraulic pump should not directly by safety valve 26 come Discharge degree.Instead with this, cylinder 34 will be adjusted in tappet side and bottom side to pass through individual path respectively to switch to pressure equal, To which the pitch angle of reversible pump is adjusted in " zero conveying capacity ".Section can be provided in the case where necessary minimum pressure Flow part.
When driving in open circuit, main oil stream can directly be passed through into electro-hydraulic safety in emergency stop Valve 26 exports, as this is for as shown by variable pump 42.Alternatively also its pump control mechanism can be passed through branch line 52' Carry out discharge degree.

Claims (18)

1. control system, for hydraulic machine for doing work (10), the hydraulic machine for doing work is with multiple can control, use The driving assembly of machine part that can move in supply and/or governing loop with the hydraulic performance loop (12) of pressure oil and Can trigger for stop machine movement, for the performance loop (12) emergency stop route (24) with for avoiding by institute State danger caused by machine part, which is characterized in that the hydraulic performance loop (12) contains respectively can for supply The driving assembly of the machine part of movement and/or governing loop with the hydraulic pressure source (37,42,44,47,57) of pressure oil, And the emergency stop route (24) has unique safety valve (26), and the safety valve accordingly passes through at least one in its inlet Branch line (52) and the performance loop (12) are connected in parallel and are connected at discharge degree position (54) in outlet side, The rest position and the elasticity of sudden-stop function is facilitated to occupy that the safety valve (26) can be occupied in normal operation as direction valve In flow passing position between switch.
2. control system according to claim 1, which is characterized in that the safety valve (26) can be passed through by operator Emergency shutdown key (51) manually handle.
3. control system according to claim 1, which is characterized in that the safety valve (26) can be used as electro-hydraulic Direction valve is manipulated by the control circuit of electricity.
4. control system according to claim 1, which is characterized in that the discharge degree position (54) passes through pressure oil-source Suction return filter or tank (38) formed.
5. control system according to claim 1, which is characterized in that be disposed in each branch line (52) towards institute State the passable check-valves in direction (56) of safety valve (26).
6. control system according to claim 5, which is characterized in that the check-valves (56) is arranged in common valve body In.
7. control system according to claim 1, which is characterized in that at least one governing loop is by acting on variable pump Cylinder (34) are adjusted to be formed.
8. control system according to claim 7, which is characterized in that the adjusting cylinder (34) accordingly passes through branch line (52) it is that is connect at the two sides for adjusting cylinder with the entrance of the safety valve (26) in bottom side and tappet side.
9. control system according to claim 1, which is characterized in that at least one driving assembly (16；46) open Pass through pump (42 in driving circuit；44) be loaded with pressure oil, and the branch line (52) between pump and driving assembly In the main oil stream of the pump or the branch at pump control mechanism.
10. control system according to claim 1, which is characterized in that the safety valve (26) is equipped with position MA monitoring agency.
11. control system according to claim 1, which is characterized in that the performance loop, which is set up, is originated from group for running: Slush pump (18), distributor bar (14), stirring mechanism (20), hydraulic reservoir (47), the element in supporting leg (22).
12. control system according to claim 1, which is characterized in that the branch line (52) is respectively from described hydraulic Pressure source (37,42,44,47,57) on the pressure side guidance to the safety valve (26) entrance.
13. control system according to claim 1, which is characterized in that the control system is used to move or quiet Slush pump, travelable mixing agitator, excavator or mobile crane only.
14. control system according to claim 1, which is characterized in that the hydraulic performance loop (12) passes through center Control unit (28) can control.
15. control system according to claim 1, which is characterized in that the flow passing position is occupied as resting position elasticity In.
16. hydraulic machine for doing work (10), with multiple drivings can controlling, for supplying the machine part that can be moved Component and/or governing loop are with the hydraulic performance loop (12) of pressure oil, which is characterized in that are provided with and are wanted according to aforementioned right Control system described in any one of asking.
17. hydraulic machine for doing work (10) according to claim 16, which is characterized in that the hydraulic machine for doing work (10) it is truck mounted concrete pump, can travel mixing agitator, excavator or mobile crane.
18. hydraulic machine for doing work (10) according to claim 16, which is characterized in that the hydraulic performance loop (12) it can be controlled by the control unit (28) in center.
CN201580020677.4A 2014-04-23 2015-04-23 Control system for hydraulic machine for doing work Expired - Fee Related CN106470935B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102014207669.2A DE102014207669A1 (en) 2014-04-23 2014-04-23 Control system for a hydraulic machine
DE102014207669.2 2014-04-23
PCT/EP2015/058852 WO2015162229A1 (en) 2014-04-23 2015-04-23 Control system for a hydraulic work machine

Publications (2)

Publication Number Publication Date
CN106470935A CN106470935A (en) 2017-03-01
CN106470935B true CN106470935B (en) 2019-08-16

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Application Number Title Priority Date Filing Date
CN201580020677.4A Expired - Fee Related CN106470935B (en) 2014-04-23 2015-04-23 Control system for hydraulic machine for doing work

Country Status (7)

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US (1) US10267343B2 (en)
EP (1) EP3134583A1 (en)
JP (1) JP2017514079A (en)
KR (1) KR20160146836A (en)
CN (1) CN106470935B (en)
DE (1) DE102014207669A1 (en)
WO (1) WO2015162229A1 (en)

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DE102020200261A1 (en) * 2020-01-10 2021-07-15 Putzmeister Engineering Gmbh Method for operating a thick matter pump and thick matter pump
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US20170037882A1 (en) 2017-02-09
KR20160146836A (en) 2016-12-21
CN106470935A (en) 2017-03-01
JP2017514079A (en) 2017-06-01
US10267343B2 (en) 2019-04-23
DE102014207669A1 (en) 2015-10-29
WO2015162229A1 (en) 2015-10-29

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